diff --git a/Handler/Summary.hs b/Handler/Summary.hs
index f70684e..d05522b 100644
--- a/Handler/Summary.hs
+++ b/Handler/Summary.hs
@@ -66,7 +66,7 @@ instance ToJSON BevStore where
       , "lost_amount" .= loss
       , "alertAt" .= alertAmount
       , "max" .= maxAmount
-      , "totalBought" .= totalBought
+      , "total_bought" .= totalBought
       , "perCrate" .= perCrate
       , "ml" .= ml
       , "artNr" .= artNr